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rss parser

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HB9HIL
2024-05-09 17:32:41 +02:00
parent 6ac7347d39
commit bd1dd8e628
2 changed files with 113 additions and 31 deletions
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100
application/controllers/Contestcalendar.php
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@@ -8,13 +8,8 @@ class Contestcalendar extends CI_Controller {
$data['page_title'] = "Contest Calendar";
$this->load->driver('cache', array('adapter' => 'file', 'backup' => 'file'));
$rssUrl = 'https://www.contestcalendar.com/calendar.rss';
if (!$rssRawData = $this->cache->get('RssRawContestCal')) {
$rssRawData = file_get_contents($rssUrl, true);
$this->cache->save('RssRawContestCal', $rssRawData, (60*60*12));
}
$data['rss'] = simplexml_load_string($rssRawData, null, LIBXML_NOCDATA);
$rssRawData = $this->getRssData();
$data['rss'] = $this->parseRSS($rssRawData);
$footerData['scripts'] = [
'assets/js/sections/dxcalendar.js?' . filemtime(realpath(__DIR__ . "/../../assets/js/sections/dxcalendar.js"))
@@ -26,5 +21,96 @@ class Contestcalendar extends CI_Controller {
}
private function parseRSS($rssRawData) {
$rssData = array();
$raw = simplexml_load_string($rssRawData, null, LIBXML_NOCDATA);
foreach ($raw->channel->item as $item) {
// create an array to hold the contest information
$contest = array();
// write the contest_title to the array
$contest['title'] = (string) $item->title;
// write the start time to the array. the whole time range is in the 'description' tag of the rssRawData
$description = (string) $item->description;
$timeRange = $this->parseTimeRange($description);
$contest['start'] = $timeRange['start']->format('Y-m-d H:i:s');
$contest['end'] = $timeRange['end']->format('Y-m-d H:i:s');
// and write the link to the array
$contest['link'] = (string) $item->link;
// append the contest array to the $rssData array
$rssData[] = $contest;
}
return $rssData;
}
private function parseTimeRange($string) {
$timeData = array();
// if the timeRange is over midnight the string contains 'to'
if (strpos($string, 'to')) {
// split in start and end time
$parts = explode('to', $string);
$start = trim($parts[0]);
$end = trim($parts[1]);
// create proper dateTime
$timeData['start'] = DateTime::createFromFormat('Hi\Z, M d', $start);
$timeData['end'] = DateTime::createFromFormat('Hi\Z, M d', $end);
} else {
// split in start and end time
$parts = explode('-', $string);
$start = trim($parts[0]);
$end = trim($parts[1]);
// extract the date. we need to add this to the start time
$date = substr($parts[1], strpos($parts[1], ',') + 2);
// create proper dateTime
$timeData['start'] = DateTime::createFromFormat('Hi\Z, M d', $start . ', ' . $date);
$timeData['end'] = DateTime::createFromFormat('Hi\Z, M d', $end);
}
return $timeData;
}
private function getRssData() {
$this->load->driver('cache', array('adapter' => 'file', 'backup' => 'file'));
if (!$rssRawData = $this->cache->get('RssRawContestCal')) {
$rssUrl = 'https://www.contestcalendar.com/calendar.rss';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $rssUrl);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_USERAGENT, 'Wavelog Updater');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$rssRawData = curl_exec($ch);
curl_close($ch);
if ($rssRawData === FALSE) {
$msg = "Something went wrong with fetching the Contest Data";
log_message('error', $msg);
return;
}
$this->cache->save('RssRawContestCal', $rssRawData, (60*60*12)); // 12 hours cache time
curl_close($ch);
}
return $rssRawData;
}
}